Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:26 2013 Optimize a model with 264 rows, 5784 columns and 11544 nonzeros Presolve time: 0.01s Presolved: 264 rows, 5784 columns, 11544 nonzeros Variable types: 5760 continuous, 24 integer (24 binary) Root relaxation: objective 2.248354e+04, 272 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 22483.5368 0 4 - 22483.5368 - - 0s H 0 0 22818.000000 22483.5368 1.47% - 0s 0 0 22699.0488 0 1 22818.0000 22699.0488 0.52% - 0s H 0 0 22712.000000 22699.0488 0.06% - 0s 0 0 22705.3333 0 1 22712.0000 22705.3333 0.03% - 0s 0 0 22705.3333 0 3 22712.0000 22705.3333 0.03% - 0s 0 0 22705.3333 0 1 22712.0000 22705.3333 0.03% - 0s 0 0 22705.3333 0 1 22712.0000 22705.3333 0.03% - 0s 0 0 22705.3333 0 1 22712.0000 22705.3333 0.03% - 0s 0 0 22705.8333 0 1 22712.0000 22705.8333 0.03% - 0s Cutting planes: Implied bound: 15 Flow cover: 1 Explored 0 nodes (563 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.271200000000e+04, best bound 2.271200000000e+04, gap 0.0%